[2] Fitzpatrick debuted for the first-team versus Albion Rovers in the 2018–19 Scottish League Cup in July 2018, coming on as a substitute and scoring a goal in the 2–0 win.
[3] On his first starting appearance versus Stranraer in the 2018–19 Scottish Challenge Cup, Fitzpatrick scored two goals and had an assist in a 5–0 victory, winning an Irn-Bru Golden Balls award.
[7] In his first season of senior football, Fitzpatrick made 28 appearances for the Firhill club across all competitions, scoring seven goals and having four assists.
[8] On 24 August 2020, Fitzpatrick signed for Scottish Championship club Queen of the South in a season-long loan deal.
Although his contract at previous club Queen of the South had expired, the Doonhamers held out for a compensation fee, due to the player still being under 23 years old.